mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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c8969630f3
Introduced a real Property List Editor. Fixed Theme manager engine. Other minor fixes
91 lines
3.0 KiB
Java
91 lines
3.0 KiB
Java
package org.pngquant;
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import org.pngquant.*;
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import java.awt.image.*;
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/**
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* Quantization result that holds palette and options for remapping.
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*/
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public class Result extends LiqObject {
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/**
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* Throws when quantization fails (e.g. due to failing to achieve minimum quality)
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*/
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public Result(PngQuant pngquant, Image image) throws PngQuantException {
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handle = liq_quantize_image(pngquant.handle, image.handle);
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if (handle == 0) {
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throw new PngQuantException();
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}
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}
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/**
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* @return BufferedImage remapped to palette this Result has been created with or null on failure.
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*/
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public BufferedImage getRemapped(Image orig_image) {
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byte[] pal = liq_get_palette(handle);
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IndexColorModel color = new IndexColorModel(8, pal.length/4, pal, 0, true);
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BufferedImage img = new BufferedImage(
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orig_image.getWidth(), orig_image.getHeight(),
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BufferedImage.TYPE_BYTE_INDEXED, color);
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byte[] data = get8bitDataFromImage(img);
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if (data == null) return null;
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if (!liq_write_remapped_image(handle, orig_image.handle, data)) return null;
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return img;
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}
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/**
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* Dithering strength. Floyd-Steinberg is always used and in
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* speed settings 1-5 high-quality adaptive dithering is used.
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* @see PngQuant.setSpeed()
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* @link http://pngquant.org/lib/#liq_set_dithering_level
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*
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* @param dither_level Dithering in range 0 (none) and 1 (full)
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*/
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public native boolean setDitheringLevel(float dither_level);
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/**
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* The default is 0.45455 (1/2.2) which is PNG's approximation of sRGB.
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*/
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public native boolean setGamma(double gamma);
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public native double getGamma();
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/**
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* Mean Square Error of remapping of image used to create this result.
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* @link http://pngquant.org/lib/#liq_get_quantization_error
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*
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* @return MSE or -1 if not available
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*/
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public native double getMeanSquareError();
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/**
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* @link http://pngquant.org/lib/#liq_get_quantization_quality
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* @return Actually achieved quality in 0-100 range on scale compatible with PngQuant.setQuality()
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*/
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public native int getQuality();
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public void close() {
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if (handle != 0) {
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liq_result_destroy(handle);
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handle = 0;
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}
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}
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private static byte[] get8bitDataFromImage(BufferedImage image) {
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if (image.getType() == BufferedImage.TYPE_BYTE_INDEXED) {
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DataBuffer buffer = image.getRaster().getDataBuffer();
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if (buffer instanceof DataBufferByte) {
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return ((DataBufferByte)buffer).getData();
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}
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}
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return null;
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}
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private static native byte[] liq_get_palette(long handle);
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private static native long liq_quantize_image(long attr, long image);
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private static native boolean liq_write_remapped_image(long handle, long image, byte[] buffer);
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private static native void liq_result_destroy(long handle);
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}
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